Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current Assets
Cash and cash equivalents	$ 37,786	$ 48,667
Accounts receivable, net	8,552	9,773
Royalty and licensing receivable	120	134
Inventories, net	19,490	18,910
Prepaid expenses and other current assets	1,671	1,785
Total current assets	67,619	79,269
Property and equipment, net	8,060	8,154
Operating lease right-of-use assets	5,696	6,078
Other Assets
Restricted cash	462	462
Other long-term assets	86	85
Total assets	81,923	94,048
Current liabilities
Accounts payable	4,164	4,163
Accrued expenses	5,726	7,978
Operating lease liabilities	1,952	1,932
Total current liabilities	11,842	14,073
Other long-term liabilities	283	230
Long-term debt, less debt issuance costs	20,601	20,563
Operating lease liabilities	4,572	5,003
Total liabilities	37,298	39,869
Commitments and contingencies
Stockholders’ equity
Preferred stock, $0.00001 par value: Authorized: 5,000,000 shares authorized at March 31, 2023 and December 31, 2022; no shares issued and outstanding as of March 31, 2023 and December 31, 2022	0	0
Common stock, $0.00001 par value: Authorized: 20,000,000 shares authorized at March 31, 2023 and December 31, 2022; 7,497,138 and 7,502,462 shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively	0	0
Additional paid-in capital	635,268	634,647
Accumulated deficit	(590,895)	(581,324)
Accumulated other comprehensive income	252	856
Total stockholders’ equity	44,625	54,179
Total liabilities and stockholders’ equity	$ 81,923	$ 94,048